tools/clitkDicom2Image.cxx

   1 /*=========================================================================
   2   Program:   vv                     http://www.creatis.insa-lyon.fr/rio/vv
   3
   4   Authors belong to:
   5   - University of LYON              http://www.universite-lyon.fr/
   6   - Léon Bérard cancer center       http://www.centreleonberard.fr
   7   - CREATIS CNRS laboratory         http://www.creatis.insa-lyon.fr
   8
   9   This software is distributed WITHOUT ANY WARRANTY; without even
  10   the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
  11   PURPOSE.  See the copyright notices for more information.
  12
  13   It is distributed under dual licence
  14
  15   - BSD        See included LICENSE.txt file
  16   - CeCILL-B   http://www.cecill.info/licences/Licence_CeCILL-B_V1-en.html
  17 ===========================================================================**/
  18
  19 // clitk includes
  20 #include "clitkIO.h"
  21 #include "clitkDicom2Image_ggo.h"
  22 #include "clitkCommon.h"
  23 #include "clitkImageCommon.h"
  24 #include "vvImageReader.h"
  25 #include "vvImageWriter.h"
  26 #include <gdcmFile.h>
  27 #include <vtkVersion.h>
  28 #include <vtkImageChangeInformation.h>
  29 #if GDCM_MAJOR_VERSION == 2
  30   #include <gdcmImageHelper.h>
  31   #include <gdcmAttribute.h>
  32   #include <gdcmReader.h>
  33 #endif
  34
  35 #include <set>
  36
  37 //====================================================================
  38 int main(int argc, char * argv[])
  39 {
  40   // init command line
  41   GGO(clitkDicom2Image, args_info);
  42   CLITK_INIT;
  43
  44   std::vector<std::string> input_files;
  45   ///if std_input is given, read the input files from stdin
  46   if (args_info.std_input_given) {
  47     while (true) {
  48       std::string tmp;
  49       std::cin >> tmp;
  50       if(std::cin.good())
  51         input_files.push_back(tmp);
  52       else break;
  53     }
  54     args_info.inputs_num=input_files.size();
  55   } else for (unsigned int i=0; i<args_info.inputs_num; i++)
  56       input_files.push_back(args_info.inputs[i]);
  57
  58
  59   //===========================================
  60   /// Get slices locations ...
  61   int series_number = -1;
  62   std::set<int> series_numbers;
  63   std::map< int, std::vector<double> > theorigin;
  64   std::map< int, std::vector<double> > theorientation;
  65   std::map< int, std::vector<double> > sliceLocations;
  66   std::map< int, std::vector<std::string> > seriesFiles;
  67 #if GDCM_MAJOR_VERSION == 2
  68   if (args_info.verbose_flag)
  69     std::cout << "Using GDCM-2.x" << std::endl;
  70 #else
  71   if (args_info.verbose_flag) {
  72     std::cout << "Not using GDCM-2.x" << std::endl;
  73     std::cout<< "The image orientation is not supported with this version of GDCM" <<std::endl;
  74   }
  75 #endif
  76   for(unsigned int i=0; i<args_info.inputs_num; i++) {
  77     if (args_info.verbose_flag)
  78         std::cout << "Reading <" << input_files[i] << std::endl;
  79 #if GDCM_MAJOR_VERSION == 2
  80     gdcm::Reader hreader;
  81     hreader.SetFileName(input_files[i].c_str());
  82     hreader.Read();
  83     gdcm::DataSet& ds = hreader.GetFile().GetDataSet();
  84
  85     if (args_info.extract_series_flag) {
  86       gdcm::Attribute<0x20,0x11> series_number_att;
  87       series_number_att.SetFromDataSet(ds);
  88       series_number = series_number_att.GetValue();
  89     }
  90
  91     series_numbers.insert(series_number);
  92     theorigin[series_number] = gdcm::ImageHelper::GetOriginValue(hreader.GetFile());
  93     theorientation[series_number] = gdcm::ImageHelper::GetDirectionCosinesValue(hreader.GetFile());
  94     double n1 = theorientation[series_number][1]*theorientation[series_number][5]-
  95                 theorientation[series_number][2]*theorientation[series_number][4];
  96     double n2 = theorientation[series_number][3]*theorientation[series_number][2]-
  97                 theorientation[series_number][5]*theorientation[series_number][0];
  98     double n3 = theorientation[series_number][0]*theorientation[series_number][4]-
  99                 theorientation[series_number][1]*theorientation[series_number][3];
 100     double sloc = theorigin[series_number][0]*n1+
 101                   theorigin[series_number][1]*n2+
 102                   theorigin[series_number][2]*n3;
 103     sliceLocations[series_number].push_back(sloc);
 104     seriesFiles[series_number].push_back(input_files[i]);
 105
 106     gdcm::Attribute<0x28, 0x100> pixel_size;
 107     pixel_size.SetFromDataSet(ds);
 108     /* if (pixel_size.GetValue() != 16)
 109        {
 110        std::cerr << "Pixel type not 2 bytes ! " << std::endl;
 111        std::cerr << "In file " << input_files[i] << std::endl;
 112        exit(0);
 113        }
 114     */
 115 #else
 116   gdcm::File *header = new gdcm::File();
 117   header->SetFileName(input_files[i]);
 118   header->SetMaxSizeLoadEntry(16384); // required ?
 119   header->Load();
 120
 121   if (args_info.extract_series_flag) {
 122     series_number = atoi(header->GetEntryValue(0x20,0x11).c_str());
 123   }
 124
 125   series_numbers.insert(series_number);
 126   theorigin[series_number].resize(3);
 127   theorigin[series_number][0] = header->GetXOrigin();
 128   theorigin[series_number][1] = header->GetYOrigin();
 129   theorigin[series_number][2] = header->GetZOrigin();
 130   sliceLocations[series_number].push_back(theorigin[series_number][2]);
 131   seriesFiles[series_number].push_back(input_files[i]);
 132   /*if (header->GetPixelSize() != 2) {
 133     std::cerr << "Pixel type 2 bytes ! " << std::endl;
 134     std::cerr << "In file " << input_files[i] << std::endl;
 135     exit(0);
 136   }
 137   */
 138 #endif
 139   }
 140
 141   //===========================================
 142   // Sort slices locations ...
 143   std::set<int>::iterator sn = series_numbers.begin();
 144   while ( sn != series_numbers.end() ) {
 145     std::vector<double> locs = sliceLocations[*sn];
 146     std::vector<double> origin = theorigin[*sn];
 147     std::vector<std::string> files = seriesFiles[*sn];
 148     std::vector<int> sliceIndex;
 149     clitk::GetSortedIndex(locs, sliceIndex);
 150     if (args_info.verbose_flag) {
 151       std::cout << locs[sliceIndex[0]] << " -> "
 152                 << sliceIndex[0] << " / " << 0 << " => "
 153                 << "0 mm "
 154                 << files[sliceIndex[0]]
 155                 << std::endl;
 156       for(unsigned int i=1; i<sliceIndex.size(); i++) {
 157         std::cout << locs[sliceIndex[i]] << " -> "
 158                   << sliceIndex[i] << " / " << i << " => "
 159                   << locs[sliceIndex[i]] - locs[sliceIndex[i-1]]
 160                   << "mm "
 161                   << files[sliceIndex[i]]
 162                   << std::endl;
 163       }
 164     }
 165
 166     //===========================================
 167     // Analyze slices locations ...
 168     double currentDist;
 169     double dist=0;
 170     double tolerance = args_info.tolerance_arg;
 171     double previous = locs[sliceIndex[0]];
 172     for(unsigned int i=1; i<sliceIndex.size(); i++) {
 173       currentDist = locs[sliceIndex[i]]-previous;
 174       if (i!=1) {
 175         if (fabs(dist-currentDist) > tolerance) {
 176           std::cout << "ERROR : " << std::endl
 177                     << "Current slice pos is  = " << locs[sliceIndex[i]] << std::endl
 178                     << "Previous slice pos is = " << previous << std::endl
 179                     << "Current file is       = " << files[sliceIndex[i]] << std::endl
 180                     << "Current index is      = " << i << std::endl
 181                     << "Current sortindex is  = " << sliceIndex[i] << std::endl
 182                     << "Current slice diff    = " << dist << std::endl
 183                     << "Current error         = " << fabs(dist-currentDist) << std::endl;
 184           exit(1);
 185         }
 186       } else dist = currentDist;
 187       previous = locs[sliceIndex[i]];
 188     }
 189
 190     //===========================================
 191     // Create ordered vector of filenames
 192     std::vector<std::string> sorted_files;
 193     sorted_files.resize(sliceIndex.size());
 194     for(unsigned int i=0; i<sliceIndex.size(); i++)
 195       sorted_files[i] = files[ sliceIndex[i] ];
 196
 197     //===========================================
 198     // Read write serie
 199     vvImageReader::Pointer reader = vvImageReader::New();
 200     reader->SetInputFilenames(sorted_files);
 201     reader->Update(vvImageReader::DICOM);
 202     if (reader->GetLastError().size() != 0) {
 203       std::cerr << reader->GetLastError() << std::endl;
 204       return 1;
 205     }
 206
 207     vvImage::Pointer image = reader->GetOutput();
 208     vtkImageData* vtk_image = image->GetFirstVTKImageData();
 209     vtkImageChangeInformation* modifier = vtkImageChangeInformation::New();
 210     if  (args_info.focal_origin_given) {
 211       std::vector<double> spacing = image->GetSpacing();
 212       std::vector<int> size = image->GetSize();
 213       origin[0] = -spacing[0]*size[0]/2.0;
 214       origin[1] = -spacing[1]*size[1]/2.0;
 215 #if VTK_MAJOR_VERSION <= 5
 216       modifier->SetInput(vtk_image);
 217 #else
 218       modifier->SetInputData(vtk_image);
 219 #endif
 220       modifier->SetOutputOrigin(origin[0], origin[1], locs[sliceIndex[0]]);
 221       modifier->Update();
 222       vvImage::Pointer focal_image = vvImage::New();
 223       focal_image->AddVtkImage(modifier->GetOutput());
 224       image = focal_image;
 225     }
 226
 227     std::string outfile;
 228     if (series_numbers.size() == 1)
 229       outfile = args_info.output_arg;
 230     else {
 231       std::ostringstream name;
 232       std::vector<std::string> directory = clitk::SplitFilename(args_info.output_arg);
 233       if (directory.size() == 2)
 234         name << directory[0] << "/" << *sn << "_" << directory[1];
 235       else
 236         name << *sn << "_" << args_info.output_arg;
 237       outfile = name.str();
 238     }
 239     vvImageWriter::Pointer writer = vvImageWriter::New();
 240     writer->SetInput(image);
 241     if (!image->GetTransform().empty())
 242       writer->SetSaveTransform(true);
 243     writer->SetOutputFileName(outfile);
 244     writer->Update();
 245
 246     modifier->Delete();
 247
 248     sn++;
 249   }
 250
 251   return 0;
 252 }